Method shutdown

nodedb/tests/native_protocol.rs:154–159

(self)

    }

    async fn shutdown(self) {
        self.shutdown_bus.initiate();
        let _ = self.poller_shutdown_tx.send(true);
        let _ = self.core_stop_tx.send(());
        tokio::time::sleep(Duration::from_millis(50)).await;
    }
}

// ─── Helpers ────────────────────────────────────────────────────────────────